Following the construction and commissioning of a new sub station complex, Siemens Transmission and Distribution Ltd appointed Connell Brothers to carry out the Decommissioning Dismantling and Demolition of the Redundant United Utilities 132kV AIS Substation at Penwortham

The site was an “OPEN TYPE” substation complex with numerous high level High Voltage structures.

Siemens carried out the isolation of electrical supplies to all the cables and equipment as part of their construction package of works.

The project works were executed working within and around the newly constructed and commissioned “LIVE” 132kV substation. This required the preparation and submission of detailed Risk Assessments and Method Statements for the proposed work which were reviewed and approved jointly by the project team comprising of:-

Siemens Transmission & Distribution, United Utilities Electric and National Grid.

Documentation had to be submitted 2 weeks in advance of commencement to the various stages of work on site for approval.

Scope of Works in brief comprised of:

Asbestos Removal from various elements of HV switchgear, isolators and capacitors.